Abstract: Some implementations can include method and system to collect and remove micro plastics from a water environment or ecosystem.

Abstract: A method of manufacturing an absorbent article includes a paper making step in which, after forming a wet paper sheet from a source material and adding a fragrance material to the wet paper sheet, a pulp raw fabric sheet is obtained by dehydrating and drying the wet paper sheet; and a processing step of an absorbent article in which the pulp raw fabric sheet is defibrated and an absorbent body is manufactured by fiber stacking this defibrated fluff pulp.

Abstract: An overflow system for a hopper dredger comprises an overflow tube; an inlet for taking in head water from the hopper; and a collector to collect the flow of head water entering the inlet and guide the flow to the overflow tube. The collector comprises a substantially horizontal top portion which delineates a top of a flowpath for head water into the collector to ensure substantially radial flow into the collector. At least one of the overflow tube and the inlet is adjustable for controlling flow into the overflow system.

Abstract: A debris loader for comminuting or collecting leaves and debris comprises a vacuum tube connected to an intake assembly which connects to a blower housing. The blower housing contains a rotating impeller which creates suction through the vacuum tube and intake assembly drawing in leaves and debris. The leaves and debris are then discharged from the blower housing through a discharge opening or conduit. The intake assembly includes a cylindrical collar, to which a vacuum tube is attached, and a conical section which is connected to the blower housing. The diameter of the conical section expands from its connection with the cylindrical collar toward the blower housing. In a preferred embodiment the conical section is angled downward relative to the axis of rotation of the impeller and preferably at an angle of approximately thirty degrees.

Abstract: An apparatus configured to facilitate removal of existing, previously-applied loosefill insulation material from a building cavity is provided. The apparatus includes a removal hose configured for conveying the removed loosefill insulation material and an actuator connected to the removal hose. The actuator is configured to generate a removal force configured to remove the loosefill insulation material from the building cavity. A receptacle is connected to the actuator and configured for storage of the removed loosefill insulation material. The removed loosefill insulation material is configured for reuse as loosefill insulation material within the building cavity.

Abstract: A conveying device for a mixture of free-flowing finely divided solid materials, in particular for powdered and/or granular (mixed) material, especially polymer granules with a liquid includes a telescopic pipe which is vertically arranged and can be flexibly fitted for conveying a mixture of preferably polymer granules with a liquid, for example for flushing a contaminated conveying device.

Abstract: A mobile star wheel feeder includes docking devices, flushing devices and control for the pneumatic conveyance of granules, in particular polymer granules, with preference polycarbonate granules. The mobile star wheel feeder, together with partially mobile sections of pipeline, can be set up at different locations underneath silos.

Abstract: A bulk loader including an air inlet, an air-particulates separating chamber in communication with the air inlet, an air outlet in communication with the air-particulates separating chamber, means for moving air and particulates into the air-particulates separating chamber, means for separating air from particulates positioned within the air-particulates separating chamber, means for removing air from the air-particulates separating chamber, an auger, the auger being in communication with the air-particulates separating chamber by way of an auger opening in the air-particulates separating chamber, and a screen positioned across a portion of the auger opening adapted to permit air to flow therethrough and adapted to prevent particulates from flowing therethrough.

Abstract: A concrete rebound shield and method of use is disclosed. The concrete rebound shield includes a bell defining an opening adapted to receive a feed hose. A collar nests within the opening of the bell and attaches to the feed hose such as to retain the bell onto the feed hose. The bell is adapted to substantially surround the feed hose and direct hydrated concrete toward a selected area.

Abstract: A high capacity particulate loader having an intake hose on one sidewall thereof which communicates with a source of negative pressure formed by a multi-stage suction mechanism, to create a high suction, high volume and high speed air stream that draws particulate materials through the hose and propels them into a separation chamber where they separate from the air stream and are directed into a discharge auger assembly on the opposite sidewall of the loader. The multi-stage suction mechanism communicates with a separation chamber and/or a settling chamber, the settling chamber providing an area where dust or fine chaff from the suctioned particulate materials, which may be present in the air stream, can settle, through gravity, on a bottom surface of the settling chamber, thus avoiding contact with the blowers so as to prevent clogging of the blowers and rotor wear thereof.

Abstract: A high capacity particulate loader having an intake hose on one sidewall thereof which communicates with a source of negative pressure formed by a multi-stage suction mechanism, to create a high suction, high volume and high speed air stream that draws particulate materials through the hose and propels them into a separation chamber where they separate from the air stream and are directed into a discharge auger assembly on the opposite sidewall of the loader. The multi-stage suction mechanism communicates with a separation chamber and/or a settling chamber, the settling chamber providing an area where dust or fine chaff from the suctioned particulate materials, which may be present in the air stream, can settle, through gravity, on a bottom surface of the settling chamber, thus avoiding contact with the blowers so as to prevent clogging of the blowers and rotor wear thereof.

Abstract: A high capacity particulate loader having an intake hose on one sidewall thereof which communicates with a source of negative pressure formed by a multi-stage suction mechanism, to create a high suction, high volume and high speed air stream that draws particulate materials through the hose and propels them into a separation chamber where they separate from the air stream and are directed into a discharge auger assembly on the opposite sidewall of the loader. The multi-stage suction mechanism communicates with a separation chamber and/or a settling chamber, the settling chamber providing an area where dust or fine chaff from the suctioned particulate materials, which may be present in the air stream, can settle, through gravity, on a bottom surface of the settling chamber, thus avoiding contact with the blowers so as to prevent clogging of the blowers and rotor wear thereof.

Abstract: A portable unit for pneumatically blowing landscaping and/or building materials, such as bark, mulch, fertilizer, compost, wood chips, grass clippings, leaves, gravel/stone, straw, hay, sawdust and combinations thereof is provided. The unit is transportable by: a car trailer, truck trailer, garden tractor trailer; on stakes of a stake bed truck; by a three point hitch; by a forklift and any combination thereof. The unit includes a hopper having an integral airlock feeder in one preferred embodiment. The unit either includes an on-board power supply device, such as an engine, or provides connections for receiving power remotely.

Abstract: A gas-powered, variable speed vacuum-blower device, which has as its primary purpose the pneumatic conveying of loose, granular material in accomplishing landscaping tasks. The vacuum-blower device is mounted on a hand truck for easy portability. Suction and discharge hoses are disposed on the device for conveying and distributing the loose material. Control means are provided at the distal ends of each hose whereby the speed of the device may be controlled for efficiency and safety.

Abstract: A pneumatic particulate dispensing system having a hopper for storing particulate material, such as animal feed, fertilizers, pesticides and the like. The hopper is connected to a T-fitting which encloses a velocity tube. An air blowing unit is connected to the T-fitting and the velocity tube through an interchangeable adaptor allowing for a variety of air blowing units to be installed. An adjustable rotary valve extends into the interior of the hopper from the T-fitting allowing for a user to adjust the amount of particulate material to be dispensed adjacent the velocity tube. A discharge tube is connected to the T-fitting downstream of the velocity tube, wherein the discharge tube has a rotating elbow for allowing the user to adjust the dispensing direction. A variety of nozzles can be attached to the end of the discharge tube. A support frame having a hitch insert and cradles is used to support and transport the particulate dispensing system to remote locations.

Abstract: A hand-portable spreader blows particles, such as salt or sand, over an outdoor surface to increase friction. The spreader has a grip and accepts an extension cord to power the blower motor. The motor drives a vane impeller mounted in a housing and connected to a nozzle, similar to a leaf blower, but the intake to the impeller is arranged to suck up particles from a storage chamber. The air passes through the particles in the storage area and then through an orifice, where the air stream velocity increases and particles are picked up and levitated up into a conduit that passes to impeller. After passing through the impeller, the particles and air are ejected from a nozzle to scatter the particles over a surface such as a street or sidewalk to melt ice and snow, for use as a friction (anti-slip) agent.

Abstract: A system, method, and apparatus, for resistor tube feeding is disclosed. A tube magazine comprising a length of tubing and adapted for receiving precision resistor cores and compressed air is disclosed. The tube magazine may be connected to a laser spiraller and a terminal welder. The process of filling the tube magazine may be electronically controlled.

Abstract: Bulk material discharge assemblies comprise a bulk material hopper, a conduit for delivering an air stream to entrain with bulk material from the bulk material hopper, and a feeding apparatus for introducing additive to the conduit. The feeding apparatus comprises an additive hopper and an airlock positioned adjacent the conduit. In addition, metering apparatus are provided that comprise an axle and first and second metering wheels. A noncircular perimeter of the axle and the shape of each hub opening of each of the metering wheels cooperate to nonrotatably mount each metering wheel to the axle. The first and second metering wheel are adapted to be selectively mounted in at least one of a first relative position and a second relative position.

Abstract: The invention relates to an air blast device disposed between an inlet conduit (3) designed to be connected to a container designed to accumulate a volume of air and an outlet conduit (5), characterized in that the area (C) of the cross-section of the outlet conduit measured at its distal end is greater then the area (A) of the cross-section of the inlet conduit measured at its end located near the flow control device.

Abstract: The present invention is directed to a system and a method to unload bulk powders from large bulk containers. The system and method are particularly useful for unloading bulk cohesive powders.

Abstract: An improved blower with a directional output nozzle is provided for various tasks such as moving debris or drying surfaces. The blower includes a frame mounted on wheels and a motor mounted to the frame. The blower also includes a housing with an inlet opening and directional output nozzle. An impeller is located in the blower housing and is driven by the motor to generate airflow. As the impeller rotates, air is drawn in through the inlet opening and is discharged through the output nozzle. The output nozzle can be repositioned by rotation by either local control or remote actuation.

Abstract: An apparatus for conveying bulk material generally consisting of a support, a guide member defining a passageway providing a circuitous path, having a base section supported on the support and a section cantilevered relative to the support; at least two sprockets disposed in such passageway and rotatably supported on the guide member, one of such sprockets being disposed in the cantilevered section of the guide member and having a substantially vertically disposed axis of rotation; a rope assembly including an endless rope disposed in the passageway along the circuitous path and reeved around the sprockets, and a plurality of discs spaced along such rope, and a motor for driving one of the sprockets, wherein the guide member includes a inlet communicating with the passageway for feeding material therein and a discharge outlet communicating with the passageway about a portion of the periphery of the one socket.

Abstract: An apparatus for conveying bulk material generally consisting of a support, a guide member defining a passageway providing a circuitous path, having a base section supported on the support and a section cantilevered relative to the support; at least two sprockets disposed in such passageway and rotatably supported on the guide member, one of such sprockets being disposed in the cantilevered section of the guide member and having a substantially vertically disposed axis of rotation; a rope assembly including an endless rope disposed in the passageway along the circuitous path and reeved around the sprockets, and a plurality of discs spaced along such rope, and a motor for driving one of the sprockets, wherein the guide member includes a inlet communicating with the passageway for feeding material therein and a discharge outlet communicating with the passageway about a portion of the periphery of the one socket.

Abstract: An apparatus for conveying bulk material generally consisting of a support, a guide member defining a passageway providing a circuitous path, having a base section supported on the support and a section cantilevered relative to the support; at least two sprockets disposed in such passageway and rotatably supported on the guide member, one of such sprockets being disposed in the cantilevered section of the guide member and having a substantially vertically disposed axis of rotation; a rope assembly including an endless rope disposed in the passageway along the circuitous path and reeved around the sprockets, and a plurality of discs spaced along such rope, and a motor for driving one of the sprockets, wherein the guide member includes a inlet communicating with the passageway for feeding material therein and a discharge outlet communicating with the passageway about a portion of the periphery of the one socket.

Abstract: An apparatus for conveying bulk material generally consisting of a support, a guide member defining a passageway providing a circuitous path, having a base section supported on the support and a section cantilevered relative to the support; at least two sprockets disposed in such passageway and rotatably supported on the guide member, one of such sprockets being disposed in the cantilevered section of the guide member and having a substantially vertically disposed axis of rotation; a rope assembly including an endless rope disposed in the passageway along the circuitous path and reeved around the sprockets, and a plurality of discs spaced along such rope, and a motor for driving one of the sprockets, wherein the guide member includes a inlet communicating with the passageway for feeding material therein and a discharge outlet communicating with the passageway about a portion of the periphery of the one socket.

Abstract: A repair device and method comprising a canister having an internal cavity, an input connecting valve, an output connecting valve, and an output hose for purposes of inflating a pneumatic device such as a flat tire. The utility of this device is as a readily available bridge to connect a deflated tire with any available air source such as an inflated tire. A sealing mixture may be stored in the internal cavity of the canister for injection into a leaking or flat tire to effect repairs by sealing any leaks. When attached between an inflated tire and a flat tire, the sealing mixture is injected into the flat tire by the pressure of the inflated tire and the flat tire may then be inflated.

Abstract: A system and apparatus for transporting a colloidal like mixture of mineral material and water from a mining site to a processing facility comprising at least one automated water gun discharging continuous high velocity stream of water into a mineral stockpile and slurry pit in a predetermined undulating pattern to facilitate the mixing and movement of the mineral material and water into a hydraulic pump inlet disposed behind a crushing grid within the slurry pit wherein the automated water gun is moveably mounted on a portable sled and in operative communication with a water supply conduit having a barrel selectively moveable through a predetermined range of vertical and horizontal motion by a vertical positioning device and a horizontal positioning device respectively.

Abstract: The invention is an adjustable portable vacuum assisted device for collecting dense matter, such as nuts, while separating and ingesting less dense matter in the same original environment as the nuts, such as leaves or other lawn refuse. The source of vacuum may be the inlet side of a lawn blower. In the invention, ambient forces, such as gravity and turbulence disengage dense solids in a gaseous stream from less dense matter in the gaseous stream induced by the vacuum means without operational malfunction caused by clogging or jamming of the device. Disengaged dense matter is collected within a collection chamber while less dense matter is ingested through and discharged by the vacuum means.

Abstract: A particulate material accelerator conveyor includes a housing having a wall with openings therein for an air inlet, a particular material inlet, and a mixture outlet; a feed auger rotatably mounted in the housing and in fluid communication with the particulate material inlet so as to convey particulate material from the inlet into an acceleration chamber within the housing; and a fan rotatably mounted in the housing in fluid communication with the air inlet and the acceleration chamber. The fan includes a plurality of fan blades for accelerating air from the air inlet toward the housing wall and thereby providing a flow of accelerated air along the inside of the wall and toward the particulate material and move therewith toward the mixture outlet. The positioning of the fan in the housing and the resulting air flow therefrom prevents particulate material from contacting the fan blades and thereby damaging the particulate material.

Abstract: A closure transferring device and method are provided. The closure transferring device has a main frame, a transferring member, and an air conveying system. The transferring member rotates while transferring closures from a first station, such as a bulk shipping bin, to a second station, such as a capper hopper. The device preferably has a movable bin adapted to contain closures in cooperation with the transferring member. A method for transferring closures is also provided.

Abstract: The present invention is a device and method for the transportation and metering of precise amounts of particulate matter. The device provides an environmentally and operator safe means of transporting and dispensing precise amounts of particulate matter from the point of manufacture directly to the ultimate consumer of the product. Because of the unique design, the device is readily transportable via standard means of transportation and may be operated by a single individual with no environmental or operator risk. The device further contains, as an integral part thereof, means for the precision metering of the particulate matter being transported. The device may be utilized to store the particulate matter for extended periods of time and, upon being emptied, may be refilled and reused.

Abstract: An electrically powered device for dispensing particulate material by an air stream is formed from a housing with a handle portion and a reservoir portion which is positioned in front of the handle portion and includes an arcuately shaped bottom wall, a top wall, an exit passage associated with the top wall, and an inlet passage leading from the handle portion to the reservoir portion, and further including an air supply associated with the inlet passage for providing air thereto.

Abstract: A truck is equipped with a grass seed hopper from which seed is fed into a blower pressurized conduit air flow by an air lock feeder at a first station. A motor with speed control drives the feeder and determines the rate of seed discharge. A tank on the truck permits the pumped flow of tank contents, water and/or fertilizer, into the conduit carried pressurized air flow. Organic material carried by the truck is conveyed forward by a moving floor toward augers which feed the organic material to a powered mixer for breaking up of the material to ensure passage of loose material into a rotary feeder at a second station. The feeder discharges into a mixing chamber whereat grass seed, discharged from the pressurized conduit, mixes with the organic material for subsequent discharge onto a ground surface via a flexible hose.

Abstract: A vacuum assembly for recovering and dispensing flowable packaging material is comprised of a chamber, an air pump, a screen, and a handle. The air pump, which may be an electric motor and squirrel cage blower, is stationed to pump air into the mouth, through the chamber, through the screen, and out an exhaust where the air may be useful for blowing flowable packaging material. The screen may be contoured or flat, and is configured to allow the passage of air but not the passage of flowable packaging material. The mouth opens to the exterior of the vacuum assembly, and is configured such that flowable packaging material that is contained within the chamber can fall out of the mouth, under the influence of gravity, when the mouth is oriented downward and the air pump is not pumping air. The chamber may increase in cross-sectional area from the mouth to the screen. A door, flap or other shutting mechanism may be used to shut the mouth.

Abstract: The present invention is a device and method for the transportation and metering of precise amounts of particulate matter. The device provides an environmentally and operator safe means of transporting and dispensing precise amounts of particulate matter from the point of manufacture directly to the ultimate consumer of the product. Because of the unique design, the device is readily transportable via standard means of transportation and may be operated by a single individual with no environmental or operator risk. The device further contains, as an integral part thereof, means for the precision metering of the particulate matter being transported. The device may be utilized to store the particulate matter for extended periods of time and, upon being emptied, may be refilled and reused.

Abstract: A bark mulch handling and spreading apparatus includes a platform adapted to be mounted on a mobile chassis, a receiving and conveying unit mounted on the platform having a hopper for receiving bark mulch and an auger along the bottom of the hopper for conveying the bark mulch to an outlet port of the unit, a blower mechanism mounted on the platform adjacent to the receiving and conveying unit for generating a flow of air past the outlet port of the receiving and conveying unit so as to entrain the discharging bark mulch in the flow of air, a spreading mechanism mounted on the platform adjacent to the receiving and conveying unit and adapted to receive the flow of air with entrained bark mulch from the outlet port of the receiving and conveying unit and to distribute the air flow entrained bark mulch to a selected discharge location, and a drive arrangement mounted on the platform for driving the auger of the receiving and conveying unit, the blower mechanism and a plurality of agitating members in the hopper

Abstract: A mobile cargo discharge device which moves across the floor of a container, pulling cargo under vacuum pressure into a discharge opening in the front of the device and outputting cargo into a conventional discharge conduit such as a pneumatic or screw conveying device. The device may also have a fluidizing mechanism on the forward wall which disturbs the cargo and enhances cargo flow through the discharge opening. The fluidizing mechanism is implemented through vibration or through jet streams of air emitted from the forward wall of the device. The device can be used in containers with or without liners.

Abstract: A substance delivery and filter system for use in delivering or conveying a dry, fluid powder substance from a closed container to an open receptacle is provided. The delivery and filter system includes a filter housing having a heavy particle cyclone separator, a fine particle filter bag assembly, a substance inlet port positioned just above the heavy particle cyclone separator, a substance outlet port positioned at the bottom of the cyclone separator, and a filtered air outlet port communicating between the clean side of the filter bag assembly and the outside environment. The powder substance in the container is entrained in an air stream and introduced into the filter housing through a conduit connected to the substance inlet port. The heavier substance particles fall downwardly from the swirling air stream caused by the cyclone separator and are discharged into an open-air receptacle from the substance outlet port.

Abstract: Method of and apparatus for introducing pulverulent material into a tire for the purpose of balancing a tire and an associated wheel assembly. A quantity of polymeric pulverulent material sufficient to balance a tire and an associated wheel assembly is charged to a cylindrical chamber and confined therein. Pressurized air is passed through the chamber in such manner as to form cyclonic air currents in the chamber. The cyclonic air currents can be obtained by configuring the air inlet and the air outlet for the chamber so that their respective axes are not aligned. A mixture of air and pulverulent material is withdrawn from the chamber and passed to a tire which is being balanced.

Abstract: A portable garden powder duster for applying dusting agent to garden plants is provided. The powder duster comprises an air blower, an air-flow receiving tube removably attached to the air-blower and a dusting agent container removably attached to the bottom of the air-flow receiving tube. The air-flow receiving tube contains a special V-shaped air baffle attached to the bottom of the tube for efficient direction of air flow, a positive air duct located at the bottom of the baffle on the positive or air entering side of the baffle, a circumferential hole located under the air baffle and a rectangular shaped hole located at the bottom of the baffle on the negative side thereof. The air-flow receiving tube has a greater diameter on the positive side of the baffle than on the negative side thereof.

Abstract: A duster attachment includes a closed bottom, upwardly opening cylindrical container. An upright vacuum tube has its lower end secured through the bottom of the container and includes an upper end provided with variable air inlet structure. A closed top and downwardly opening pilot tube is loosely telescoped downwardly over the vacuum tube and includes an annular plate secured about the pilot tube lower end. Dusting powder is disposed within the container below the annular plate and the lower end of the vacuum tube is communicated with the air inlet of a leaf blower.

Abstract: A method of and apparatus for introducing pulverulent material into a tire through a tire valve stem is performed by confining a predetermined amount of pulverulent material in a cylindrical chamber having axially spaced and radially offset inlets and outlets, subjecting the confined pulverulent material to pressurized air which is transformed into a cyclonic air current within the chamber by the radially offset inlet and outlet, and introducing admixed air/pulverulent material from the chamber into a tire through its associated tire valve stem.

Abstract: One or more hot melt tanks are each periodically supplied by an air conduit which automatically transfers pellets from a storage container. A transducer assembly, positionable in the container, includes a vacuum transducer for the pick up of glue pellets for transfer via the air conduit. A vibrator imparts motion to the pellets to prevent bridging of same. Each hot melt tank includes a level switch with a probe which provides a signal to a control panel having relays which in turn actuate solenoid valves for the delivery of a pressurized air flow to one or more vacuum transducers. A portion of the pressurized air flow is bled off for supplying the vibrator in place on a base of the transducer assembly.

Abstract: A sparger container comprises a pair of opposed end walls, a pair of opposed side walls, and a closed floor. The closed floor has an open-topped, longitudinally-extending channel and two generally planar sides slanting upwardly from the top edges of the channel to the side walls. A sparger system is provided immediately above the floor and includes a generally rectangular network of pipes disposed along the inner perimeter of the side and end walls, and at least one inlet providing fluid communication between a source of pressurized fluid and the pipes. The sparger system can also include a pipe positioned above the channel. Each of the pipes is provided with a plurality of holes therethrough, which are evenly-spaced circumferentially and are positioned at spaced intervals along the lengths of the pipes. An outlet for the container is positioned at one end of the channel and extends through one of the end walls.

Abstract: A hand held pneumatic gun has an airway arranged to be coupled to a source of compressed air, the airway communicating with an air chamber via a trigger valve assembly. The gun includes a detachable breech that is supported in a sealed position against the air chamber by a support ring pivotally secured to the body of the gun. An interlocking assembly is arranged to interlock with the trigger valve assembly if the breech is not supported in its sealed position, so that actuation of the trigger valve assembly is inhibited unless the breech is sealed against the air chamber. The breech incorporates a nozzle that can be secured to an end of a hose or tube and a polymer projectile is placed into the breech to be forced by the air pressure through the hose or tube to clean the interior of the hose or to remove contaminate matter therefrom.

Abstract: The present invention relates to a process for the removal of ore from the hold of a bulk carrier vessel. The prior art employes a boom mounted vacuum probe which is lowered into the ore material to effect unloading. This invention adds material handling hoses between the boom mounted vacuum probe and wheeled vehicles with attached aspirated suction nozzles. Further, the wheeled vehicles are powered from a stationary hydraulic pumping unit connected to the existing electric power of the boom mounted vacuum probe. Ore unloading efficiency is improved when the ore level in the hold reaches a depth of approximately two feet or less by providing wheeled vehicles carrying aspirated suction nozzles over the decking of the hold.

Abstract: A universal pneumatic device for rough-casting, pointing and filleting is made up of a receptacle which includes an accessible compression chamber formed by two hollow half-shells assembled and screwed to the receptacle with a handle with connection to a compressed-air hose-pipe and valve. This structure is intended to make all the joinings of the device easily and rapidly accessible at the time of casting of paste for rough-casting, pointing or filleting in the construction industry and for public works.

Abstract: A device for handling bulk material, especially in marine transportation, comprises a pressure vessel having at least two members for mechanically enclosing a volume of the bulk material to be conveyed. The pressure vessel is equipped with pressure fluid activated push rods for moving the two members between an open and closed position to thereby grab a volume of the bulk material. The two members are preferably two essentially identical halves. A supply conduit is connected to the pressure vessel for supplying a pressurized gas thereto. A discharge conduit is connected to the pressure vessel for conveying the volume of bulk material out of the pressure vessel with the aid of the pressurized gas.

Abstract: A portable garden power duster for applying dusting agent to garden plants is provided.

Abstract: An electrostatic sprayer installation for powder coating product comprises a plurality of powder sprayers and a plurality of powder storage tanks each adapted to contain powder of a specific color. Connecting ends of a plurality of suction tubes for each storage tank are disposed side by side on a connecting socket of the storage tank. A connecting block is provided with powder suction devices each establishing communication between a hose connected to a sprayer or a group of sprayers and one of the suction tubes. The connecting block is removable so that it can be mounted on the connecting socket of a selected storage tank. An air blower station has a connecting socket analogous to that of a storage tank and comprises air ejector orifices disposed to be connected to the suction devices.